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Other Animal Sciences

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1976

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Articles 1 - 30 of 48

Full-Text Articles in Life Sciences

Effect Of Rumensin On Performance Of Growing Heifers, K. Bolsen, L. Corah, G. Fink, Jack G. Riley Jan 1976

Effect Of Rumensin On Performance Of Growing Heifers, K. Bolsen, L. Corah, G. Fink, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

We used 136 Hereford heifer calves in two studies to determine the effect on performance of 200 mg monensin (trade name Rumensin) per head daily. It significantly improved gain by 7.5% and 4.6% in trials 1 and 2 respectively, and significantly improved efficiency 11.6% and 12.2%, respectively.

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Synchronizing Estrus In Beef Heifers With Prostaglandin And Syncromate B, R.C. Debenedetti, G.H. Kiracofe, V. Hultine, R.M. Mckee, R.R. Schalles Jan 1976

Synchronizing Estrus In Beef Heifers With Prostaglandin And Syncromate B, R.C. Debenedetti, G.H. Kiracofe, V. Hultine, R.M. Mckee, R.R. Schalles

Kansas Agricultural Experiment Station Research Reports

Forty-five of 50 heifers were in estrus 1 to 5 days after 7-day synchronization implants were removed. Prostaglandin was injected one day before implants were removed. Thirty-one of the 45 (68.9%) heifers conceived to first artificial insemination service.

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Inducing Puberty In Beef Heifers With Hormones, R. Debenedetti, G.H. Kiracofe, V. Hultine, R.M. Mckee, R.R. Schalles Jan 1976

Inducing Puberty In Beef Heifers With Hormones, R. Debenedetti, G.H. Kiracofe, V. Hultine, R.M. Mckee, R.R. Schalles

Kansas Agricultural Experiment Station Research Reports

Twenty-six Polled Hereford and Simmental-cross heifers that had not cycled by the beginning of the breeding season were given an ear implant and injected with an estrogen-progestogen compound. The implant was removed after 9 days and all heifers were in estrus 1 to 5 days later. Six heifers conceived the first insemination, 11 the second, and 24 during the 65-day breeding season.

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Flushing Cows, R.R. Schalles, G. Kiracofe, E.F. Smith Jan 1976

Flushing Cows, R.R. Schalles, G. Kiracofe, E.F. Smith

Kansas Agricultural Experiment Station Research Reports

Starting to flush cows 95 days before the breeding season began significantly increase conception rate and required less total feed.

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Synchronization Of Estrus In Beef Cows, M. Heekin, G.H. Kiracofe, V. Hultine, R.R. Schalles, R.M. Mckee Jan 1976

Synchronization Of Estrus In Beef Cows, M. Heekin, G.H. Kiracofe, V. Hultine, R.R. Schalles, R.M. Mckee

Kansas Agricultural Experiment Station Research Reports

We used 79 cows to evaluate Syncromate B (G.D. Searle, Co.) as an estrus-synchronizing agent. Management of five groups of cows was: (1) nonsynchronized, bred naturally; (2) nonsynchronized, bred artificially; (3) synchronized, bred naturally; (4) synchronized, bred artificially at estrus; and (5) synchronized, bred artificially 60 hours after implant was removed. Conception rates were not affected by artificial breeding or synchronization. However, not all cows synchronized showed estrus. Percentages of cows bred during the first 25 days of the breeding season were 72.2, 71.4, 84.6, 68.7, 83.8 for groups 1 through 5, respectively.

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Inheritance Of Some Reproductive Traits By Young Bulls, J.H. Warren, J. Blum, R.R. Schalles, G. Kiracofe, K. Henry, V. Hultine Jan 1976

Inheritance Of Some Reproductive Traits By Young Bulls, J.H. Warren, J. Blum, R.R. Schalles, G. Kiracofe, K. Henry, V. Hultine

Kansas Agricultural Experiment Station Research Reports

Severa1 reproductive traits of yearling Polled Hereford bulls were evaluated during and immediately after a 140-day feeding test. Results indicate that concentration of sperm and percentages of live sperm are heritable and genetically independent of each other. Heritability was low for sex drive or libido.

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Energy Levels For Growing And Finishing Steers, K. Bolsen, Michael E. Dikeman, Jack G. Riley Jan 1976

Energy Levels For Growing And Finishing Steers, K. Bolsen, Michael E. Dikeman, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

Four combinations of low (LE), moderate (ME) and high (HE) energy rations were fed to growing and finishing steers. The four treatments were: LE-ME; LE-HE; ME-ME and ME-HE. All steers were more efficient during the growing phase (473 to 750 lbs.) than the finishing phase (750 to 1050 lbs.). During the growing phase, performance of steers fed the ME ration exceeded that of steers fed the LE ration. During the finishing phase, performance of steers fed the HE ration exceeded that of steers fed the ME ration. Steers on the LE-HE treatment required more energy per lb. of gain than …

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Effects Of Growth Promoting Implants Gains Of Nursing Calves, L. Corah, K. Kimple, M. Mckee, Jack G. Riley Jan 1976

Effects Of Growth Promoting Implants Gains Of Nursing Calves, L. Corah, K. Kimple, M. Mckee, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

Both steer and heifer calves gain significantly (P<.05) faster on summer pasture with growth-promoting implants than calves not implanted. Ralgro, Synovex-S, and Synovex-H were tested, with no significant advantage for one Implant type.

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Evaluation Of The New (Usda, 1974) Carcass Beef Quality Grade Standards, D.R. Campion, J.D. Crouse, Michael E. Dikeman Jan 1976

Evaluation Of The New (Usda, 1974) Carcass Beef Quality Grade Standards, D.R. Campion, J.D. Crouse, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Carcasses from 1,117 steers from Hereford and Angus dams mated artificially to Hereford, Angus, Charolais, Jersey, South Devon, Simmental and Limousin sires were studied. The study was to evaluate the UDSA 1965 quality grade ('65-QG) standards in relation to palatability of rib steaks, and also to see how the new grades change the distribution of carcasses in each grade. Rib steaks from 494 of these carcasses were cooked and evaluated by a taste panel; a rib steak from each of the 1,117 carcasses was cooked and measured for tenderness by a Warner-Bratzler shear-device. All data were adjusted to a constant …

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Feedlot Performance By Month In Kansas, D.R. Ames Jan 1976

Feedlot Performance By Month In Kansas, D.R. Ames

Kansas Agricultural Experiment Station Research Reports

Feedlot data on 202 lots involving approximately 40,000 steers collected for five years were used to characterize feedlot performance each month of the year. Intake, average daily gain (ADG), and feed efficiency were measured. ADG was predicted for mean daily temperature (MDT).

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Reliability Of U.S.D.A. Beef Carcass Yield Grades In Reflecting Differences In Retail Yields, R.J. Lipsey, Dell M. Allen, Michael E. Dikeman Jan 1976

Reliability Of U.S.D.A. Beef Carcass Yield Grades In Reflecting Differences In Retail Yields, R.J. Lipsey, Dell M. Allen, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Retail cut-out and U.S.D.A. yield grade data were obtained on 1,121 carcasses of steers from Hereford and Angus dams mated artificially to Hereford, Angus, Jersey, Limousin, South Devon, Simmental and Charolais bulls. Calves were weaned when approximately 215 days old, conditioned 28 days, fed an average of 218 days after weaning before being slaughtered in a commercial slaughter plant. Carcass cooler data were obtained and the right side of each carcass was cut into closely trimmed, essentially boneless retail cuts at the KSU food service building. Beef yield grades do reflect definite differences in retail yields. Statistical tests indicated less …

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Forage And Grain Yields Of Wheat And Barley, K. Bolsen, L.L. Berger, W. Moore Jan 1976

Forage And Grain Yields Of Wheat And Barley, K. Bolsen, L.L. Berger, W. Moore

Kansas Agricultural Experiment Station Research Reports

Our objectives were to determine the effects of variety and stage of plant growth at harvest on forage and grain yields of wheat and barley. Plots were grown at the Animal Science and Industry Farm near Manhattan in 1973-74 and 1974-75 and at the South Central Kansas Experiment Field at Hutchinson in 1974-75. Hard red winter wheat varieties used were Parker, Eagle and Sage; soft red winter wheats were Arthur-71 and Blue Boy II. Three winter barley varieties were Paoli, Jefferson and Kanby. All cereals were harvested for forage in boot, milk and dough stages of plant growth and each …

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Wheat, Barley And Corn Silage Rations And Urea For Growing Steers, K. Bolsen, Jack G. Riley Jan 1976

Wheat, Barley And Corn Silage Rations And Urea For Growing Steers, K. Bolsen, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

Eight rations were fed to 15 yearling steers (3 pens of 5 steers each). Arthur wheat, Paoli barley and corn silages were supplemented with either soybean meal or urea; Blue Boy II and Eagle wheat silages were supplemented with soybean meal. All steers were full-fed a 12.5% crude protein ration containing 86% silage and 14% supplement. Results of the 84-day trial show steers fed the four corn and barley silage rations gained faster and more efficiently than those fed wheat silages. Steers fed Arthur and Eagle silage rations performed similarly. Those fed Blue Boy II silage made the slowest and …

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Methods Of Improving Quality Of Grass-Fed Beef, Melvin C. Hunt, Donald H. Kropf, V. Chen, A. Harrison, O. Corte, C. Kuntapanit, M.E. Smith, J. Thomas, Curtis L. Kastner Jan 1976

Methods Of Improving Quality Of Grass-Fed Beef, Melvin C. Hunt, Donald H. Kropf, V. Chen, A. Harrison, O. Corte, C. Kuntapanit, M.E. Smith, J. Thomas, Curtis L. Kastner

Kansas Agricultural Experiment Station Research Reports

Ten steers of known background, approximately 18 months old, and wintered on alfalfa and protein were finished on a brome and bluestem grazing program. Carcass characteristics were measured. The influence of conditioning carcass halves at 55 F until eight hours post-mortem was compared with conventional chilling at 36 F. Finally, the effects of vacuum storage and display on beef quality were evaluated.

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Micronized Milo And Urea In High-Hay Growing Rations For Beef Heifers, K. Bolsen, Jack G. Riley Jan 1976

Micronized Milo And Urea In High-Hay Growing Rations For Beef Heifers, K. Bolsen, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

Twenty-four individually fed heifers were used to evaluate four combinations of micronized or dry-rolled milo and soybean meal or urea supplements in prairie hay growing rations. Feeding 5 lbs. of micronized milo produced 23% faster and 18% more efficient gains than feeding 5 lbs. of dry-rolled milo. Heifers fed micronized milo + urea tended to gain faster and more efficiently than heifers fed dry-rolled milo + soybean meal.

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Whey-Reconstituted Milo For Finishing Beef Heifers, K. Bolsen, C. Grimes, R. Mickelson Jan 1976

Whey-Reconstituted Milo For Finishing Beef Heifers, K. Bolsen, C. Grimes, R. Mickelson

Kansas Agricultural Experiment Station Research Reports

Three milo treatments were evaluated in finishing rations for heifers: dry-rolled, reconstituted with water, and reconstituted with whey. Reconstituting milo with water or whey did not increase weight gain or efficiency of heifers over that of heifers fed dry-rolled milo. The slowest and least efficient gains were produced by the water-reconstituted milo. Performances were similar for the dry-rolled and whey-reconstituted milo treatments.

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Factors Influencing Net Income From A Steer Through Feedlot, J.K. Blum, R.R. Schalles, K.O. Zoellner Jan 1976

Factors Influencing Net Income From A Steer Through Feedlot, J.K. Blum, R.R. Schalles, K.O. Zoellner

Kansas Agricultural Experiment Station Research Reports

Steers entering feedlots with higher starting weight per day of age had greater net value a t slaughter than lighter steers. Faster gaining steers brought the highest net income. Age on feed did not influence net income. High dressing percentage increased the net income but generally the relationship was low between carcass traits and net income.

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Sources Of Roughage And Milo For Finishing Steers, K. Bolsen, Jack G. Riley Jan 1976

Sources Of Roughage And Milo For Finishing Steers, K. Bolsen, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

One hundred five yearling steers were used to evaluate seven milo treatments: (1) dry, (2) micronized, (3) steam flaked +.2% propionic acid (acid-flake), (4) field harvested high moisture (F-HM) ensiled whole in an 02 -limiting silo, (5) F-HM rolled and ensiled in a concrete stave silo, (6) reconstituted, high moisture (R-HM) ensiled whole in an 02 -limiting silo and (7) R-HM rolled and ensiled in a concrete stave silo; and three roughages: (1) corn silage, (2) equal parts sorghum silage and milo stover silage and (3) milo stover pellets. The complete mixed rations fed during the 92-day trial were 80% …

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Harvesting Sorghum Stover, G.E. Fairbanks, J.D. Hoover Jan 1976

Harvesting Sorghum Stover, G.E. Fairbanks, J.D. Hoover

Kansas Agricultural Experiment Station Research Reports

Two types of big round balers and a small stackmaker were used to harvest grain sorghum stubble after the grain was harvested during the fall and winter months of 1975. The stubble was about 21 inches high and about 4 inches of stubble was left after windrowing.

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Excreta Silage For Maintaining Pregnant Cows And Heifers, M. Mckee, K.L. Conway, G. Fink, K. Kimple, J.D. Hoover, Jack G. Riley Jan 1976

Excreta Silage For Maintaining Pregnant Cows And Heifers, M. Mckee, K.L. Conway, G. Fink, K. Kimple, J.D. Hoover, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

Preliminary trials the summer of 1975 tested the value of excreta silage for maintain pregnant cows and heifers. Ingredients in the excreta silage were wheat straw, cattle excreta, corn, and molasses. Eighty mature cows were divided into three lots and received either excreta silage, alfalfa haylage, or ½ excreta silage and ½ alfalfa haylage as sources of roughage for 59 days (July 25 to September 22). Cows receiving excreta silage tended to gain more than cows on haylage or ½ haylage and ½ excreta silage. Twenty-nine, sixteen-month old, pregnant, part Simmental heifers were divided into two lots. One group received …

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Energy Levels And Roughage Sources For Bulls On 140-Day Test, M. Mckee, K.L. Conway, G. Fink, R.R. Schalles, K.K. Bolsen, K.O. Zoellner Jan 1976

Energy Levels And Roughage Sources For Bulls On 140-Day Test, M. Mckee, K.L. Conway, G. Fink, R.R. Schalles, K.K. Bolsen, K.O. Zoellner

Kansas Agricultural Experiment Station Research Reports

Eight Hereford, 16 Angus, and 36 part Simmental bulls were tested for 140 days (October 15, 1974 to March 4, 1975) for weight gained. Bulls were divided into four groups and fed four rations that had been formulated for two energy levels (high or medium) and two sources of roughage (corn silage or oats and prairie hay). Average daily gains (lbs.) on the four rations were: high energy silage, 3.36; high energy oats and prairie hay, 3.31; low energy silage, 2.77; and low energy oats and prairie hay, 3.25.

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Preheating Ventilating Air With Solar Energy (1976), C K. Spillman, F V. Robbins, B A. Koch Jan 1976

Preheating Ventilating Air With Solar Energy (1976), C K. Spillman, F V. Robbins, B A. Koch

Kansas Agricultural Experiment Station Research Reports

When animals are confined inside buildings, ventilating air is required to remove moisture and odors. Young animals require relatively warm temperatures and do not produce enough heat to offset that lost through walls and to warm ventilating air. Supplemental heat required by young animals does not need to be high quality, and heating the air a few degrees is adequate for much of the fall, winter, and spring. For example, assume that a 26-sow, farrowing house has a 500 cfm fan. Current recommendations are to run that size fan continuously during the winter. If the ventilating air is heated 30 …

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Effects On Profits And Risks Of Hedging Hogs In The Futures Market (1976), J H. Mccoy, R V. Price, R E. Solomon Jan 1976

Effects On Profits And Risks Of Hedging Hogs In The Futures Market (1976), J H. Mccoy, R V. Price, R E. Solomon

Kansas Agricultural Experiment Station Research Reports

Erratic hog prices in recent years have compounded management problems. As a result, interest has increased in ways of tying down prices before the hogs are ready for market. This report presents results of a study of one approach to the problem -- hedging in the futures market.; Swine Day, Manhattan, KS, November 11, 1976

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Correlations For Performance Traits Of Growing Boars (1976), P B. Conley Iii, T W. Orwig, Robert H. Hines Jan 1976

Correlations For Performance Traits Of Growing Boars (1976), P B. Conley Iii, T W. Orwig, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Performance records of 275 boars, beginning at 65 and ending at 250 lbs., were analyzed to determine correlations of performance traits. Fastest growing boars were more efficient (r=-.49). In addition, faster gaining boars also tended to have more backfat (r=.20). Backfat thickness and feed efficiency were not related (r=.0l). Average daily gain from 65 to 220 lbs. was highly correlated with average daily gain from 65 to 250 lbs. (r=.92), which suggests that boars need not be tested to heavier weights. The feed/gain ratios during both test periods likewise were highly correlated (r=.82).; Swine Day, Manhattan, KS, November 11, 1976

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Comparison Of Feed Consumption Of Pigs In Two Lines (1976), J D. Wheat, Donald H. Kropf, Robert H. Hines Jan 1976

Comparison Of Feed Consumption Of Pigs In Two Lines (1976), J D. Wheat, Donald H. Kropf, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Pigs in the control line ate more, grew faster, and were less efficient than those in the select line.; Swine Day, Manhattan, KS, November 11, 1976

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Flavor Enhancers In Growing-Pig Rations (1976), B A. Koch, G L. Allee, Robert H. Hines Jan 1976

Flavor Enhancers In Growing-Pig Rations (1976), B A. Koch, G L. Allee, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Groups of growing pigs restricted to control feed or feed containing one of 5 commercial flavoring agents or taste enhancers consumed similar amounts of feed and made similar weight gains and similar feed/gain.; Swine Day, Manhattan, KS, November 11, 1976

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Evaluation Of Antibacterial Preparations On Growth Rate And Feed Efficiency Of Young Pigs (1976), G L. Allee, B A. Koch, Robert H. Hines Jan 1976

Evaluation Of Antibacterial Preparations On Growth Rate And Feed Efficiency Of Young Pigs (1976), G L. Allee, B A. Koch, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Ninety-six young pigs were used to evaluate various antibacterial preparations on rate and efficiency of gain. Each of the antibacterial preparations increased rate of gain over pigs fed the non-medicated basal diet. There were no significant differences in daily gains of pigs fed ASP-250, CSP-250, Lincomix, Mecadox, or Stafac.; Swine Day, Manhattan, KS, November 11, 1976

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Effects Of Fat Level And Calorie-Protein Ratio On Performance Of Finishing Pigs (1976), G L. Allee Jan 1976

Effects Of Fat Level And Calorie-Protein Ratio On Performance Of Finishing Pigs (1976), G L. Allee

Kansas Agricultural Experiment Station Research Reports

One hundred twenty finishing pigs averaging 52.9 kg (116 lbs.) initially were used to study effects of fat level and calorie-protein (C:P) ratio on performance and carcass traits of pigs fed a sorghum-soybean meal basal ration. The basal ration contained 13.1% crude protein, 0.55% lysine, 0.68% calcium and 0.59% phosphorus. Fat (tallow) was added to the basal ration at the expense of sorghum at 0, 3, 6, and 9% while maintaining a constant C:P ratio. Also, 9% fat was added to the basal ration without adjusting the C:P ratio. With a constant C:P ratio, daily gain and feed efficiency were …

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Effects Of Processing Methods On The Nutritional Value Of Sorghum For Weaned Pigs (1976), G L. Allee Jan 1976

Effects Of Processing Methods On The Nutritional Value Of Sorghum For Weaned Pigs (1976), G L. Allee

Kansas Agricultural Experiment Station Research Reports

One hundred twenty-six weaned, crossbred pigs averaging 14 kg (31 lbs.) initially were used to evaluate the effects of various methods of processing sorghum grain. Processing methods evaluated were: pelleting, extruding, micronizing, high-moisture grain stored in an oxygen limiting structure, and high-moisture grain treated with propionic acid. Except for pelleting, only the grain (sorghum) was exposed to the various processing methods. After being processed, the sorghum was ground and incorporated into a 18% sorghum-soybean meal diet. None of the processing methods increased weight gain of weaned pigs over that by pigs fed the control diet (ground sorghum fed as a …

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Femur Or Phalange Bones As Indicators Of Dietary Phosphorus Deficiency (1976), J Hsu, G L. Allee, B A. Koch Jan 1976

Femur Or Phalange Bones As Indicators Of Dietary Phosphorus Deficiency (1976), J Hsu, G L. Allee, B A. Koch

Kansas Agricultural Experiment Station Research Reports

Fifteen crossbred gilts averaging 115 pounds were fed one of three phosphorus levels 70 days (to 219 pounds average) then their femur and phalange bones were compared. Each group of five gilts had received either 0.40%, 0.50% or 0.60% total dietary phosphorus and 0.65% dietary calcium during the 70-day feeding period. The basal sorghum-soybean meal ration contained 0.30% of plant phosphorus. Specific gravity and X-ray or chemical analysis of femurs showed no significant differences among groups, but the breaking strength of femurs from gilts fed 0.6% phosphorus was significantly higher than that from gilts fed 0.4% phosphorus. Femur and phalange …

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